コード例 #1
0
ファイル: IPAddress.cs プロジェクト: BjkGkh/R106
		private unsafe static IPAddress InternalParse(string ipString, bool tryParse)
		{
			if (ipString == null)
			{
				if (tryParse)
				{
					return null;
				}
				throw new ArgumentNullException("ipString");
			}
			else
			{
				if (ipString.IndexOf(':') != -1)
				{
					SocketException innerException;
					if (Socket.OSSupportsIPv6)
					{
						byte[] array = new byte[16];
						SocketAddress socketAddress = new SocketAddress(AddressFamily.InterNetworkV6, 28);
						if (OSSOCK.WSAStringToAddress(ipString, AddressFamily.InterNetworkV6, IntPtr.Zero, socketAddress.m_Buffer, ref socketAddress.m_Size) == SocketError.Success)
						{
							for (int i = 0; i < 16; i++)
							{
								array[i] = socketAddress[i + 8];
							}
							long scopeid = (long)(((int)socketAddress[27] << 24) + ((int)socketAddress[26] << 16) + ((int)socketAddress[25] << 8) + (int)socketAddress[24]);
							return new IPAddress(array, scopeid);
						}
						if (tryParse)
						{
							return null;
						}
						innerException = new SocketException();
					}
					else
					{
						int start = 0;
						if (ipString[0] != '[')
						{
							ipString += ']';
						}
						else
						{
							start = 1;
						}
						int length = ipString.Length;
						fixed (char* name = ipString)
						{
							if (IPv6AddressHelper.IsValidStrict(name, start, ref length) || length != ipString.Length)
							{
								ushort[] array2 = new ushort[8];
								string text = null;
								fixed (ushort* ptr = array2)
								{
									IPv6AddressHelper.Parse(ipString, ptr, 0, ref text);
								}
								IPAddress result;
								if (text == null || text.Length == 0)
								{
									result = new IPAddress(array2, 0u);
								}
								else
								{
									text = text.Substring(1);
									uint scopeid2;
									if (!uint.TryParse(text, NumberStyles.None, null, out scopeid2))
									{
										goto IL_193;
									}
									result = new IPAddress(array2, scopeid2);
								}
								return result;
							}
						IL_193: ;
						}
						if (tryParse)
						{
							return null;
						}
						innerException = new SocketException(SocketError.InvalidArgument);
					}
					throw new FormatException("dns_bad_ip_address" + innerException);
				}
				Socket.InitializeSockets();
				int length2 = ipString.Length;
				long num;
				fixed (char* name2 = ipString)
				{
					num = IPv4AddressHelper.ParseNonCanonical(name2, 0, ref length2, true);
				}
				if (num != -1L && length2 == ipString.Length)
				{
					num = ((num & 255L) << 24 | ((num & 65280L) << 8 | ((num & 16711680L) >> 8 | (num & 1095216660480) >> 24)));
					return new IPAddress(num);
				}
				if (tryParse)
				{
					return null;
				}
				throw new FormatException("dns_bad_ip_address");
			}
		}
コード例 #2
0
ファイル: IPAddress.cs プロジェクト: BjkGkh/R106
		/// <summary>Converts an Internet address to its standard notation.</summary>
		/// <returns>A string that contains the IP address in either IPv4 dotted-quad or in IPv6 colon-hexadecimal notation.</returns>
		/// <PermissionSet>
		///   <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
		/// </PermissionSet>
		public unsafe override string ToString()
		{
			if (this.m_ToString == null)
			{
				if (this.m_Family == AddressFamily.InterNetworkV6)
				{
					int capacity = 256;
					StringBuilder stringBuilder = new StringBuilder(capacity);
					if (Socket.OSSupportsIPv6)
					{
						SocketAddress socketAddress = new SocketAddress(AddressFamily.InterNetworkV6, 28);
						int num = 8;
						for (int i = 0; i < 8; i++)
						{
							socketAddress[num++] = (byte)(this.m_Numbers[i] >> 8);
							socketAddress[num++] = (byte)this.m_Numbers[i];
						}
						if (this.m_ScopeId > 0L)
						{
							socketAddress[24] = (byte)this.m_ScopeId;
							socketAddress[25] = (byte)(this.m_ScopeId >> 8);
							socketAddress[26] = (byte)(this.m_ScopeId >> 16);
							socketAddress[27] = (byte)(this.m_ScopeId >> 24);
						}
						SocketError socketError = OSSOCK.WSAAddressToString(socketAddress.m_Buffer, socketAddress.m_Size, IntPtr.Zero, stringBuilder, ref capacity);
						if (socketError != SocketError.Success)
						{
							throw new SocketException();
						}
					}
					else
					{
						string value = string.Format(CultureInfo.InvariantCulture, "{0:x4}:{1:x4}:{2:x4}:{3:x4}:{4:x4}:{5:x4}:{6}.{7}.{8}.{9}", new object[]
						{
							this.m_Numbers[0],
							this.m_Numbers[1],
							this.m_Numbers[2],
							this.m_Numbers[3],
							this.m_Numbers[4],
							this.m_Numbers[5],
							this.m_Numbers[6] >> 8 & 255,
							(int)(this.m_Numbers[6] & 255),
							this.m_Numbers[7] >> 8 & 255,
							(int)(this.m_Numbers[7] & 255)
						});
						stringBuilder.Append(value);
						if (this.m_ScopeId != 0L)
						{
							stringBuilder.Append('%').Append((uint)this.m_ScopeId);
						}
					}
					this.m_ToString = stringBuilder.ToString();
				}
				else
				{
					int num2 = 15;
					char* ptr = stackalloc char[15];
					int num3 = (int)(this.m_Address >> 24 & 255L);
					do
					{
						ptr[(--num2)] = (char)(48 + num3 % 10);
						num3 /= 10;
					}
					while (num3 > 0);
					ptr[(--num2)] = '.';
					num3 = (int)(this.m_Address >> 16 & 255L);
					do
					{
						ptr[(--num2)] = (char)(48 + num3 % 10);
						num3 /= 10;
					}
					while (num3 > 0);
					ptr[(--num2)] = '.';
					num3 = (int)(this.m_Address >> 8 & 255L);
					do
					{
						ptr[(--num2)] = (char)(48 + num3 % 10);
						num3 /= 10;
					}
					while (num3 > 0);
					ptr[(--num2)] = '.';
					num3 = (int)(this.m_Address & 255L);
					do
					{
						ptr[(--num2)] = (char)(48 + num3 % 10);
						num3 /= 10;
					}
					while (num3 > 0);
					this.m_ToString = new string(ptr, num2, 15 - num2);
				}
			}
			return this.m_ToString;
		}
コード例 #3
0
ファイル: EndPoint.cs プロジェクト: BjkGkh/R106
		/// <summary>Creates an <see cref="T:System.Net.EndPoint" /> instance from a <see cref="T:System.Net.SocketAddress" /> instance.</summary>
		/// <returns>A new <see cref="T:System.Net.EndPoint" /> instance that is initialized from the specified <see cref="T:System.Net.SocketAddress" /> instance.</returns>
		/// <param name="socketAddress">The socket address that serves as the endpoint for a connection. </param>
		/// <exception cref="T:System.NotImplementedException">Any attempt is made to access the method when the method is not overridden in a descendant class. </exception>
		/// <PermissionSet>
		///   <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" />
		/// </PermissionSet>
		public virtual EndPoint Create(SocketAddress socketAddress)
		{
			throw new NotImplementedException();
		}